exam Maths Puzzle Numerical Ability

6-(-5r)=5r-3

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Elliot began the journey at 8am at 40 kilometers per hour. Benita began to chase him at 11 am at 50 kilometers per hour. What time was it when Bernita got within 60 kilometers of Elliot? With the points of (-8,8) and (6,1) find the equation of the locus of these two points.